STM32H735RGT6 - 550MHz Cortex-M7 MCU with 1MB Flash | STMicroelectronics
料号： STM32H735RGT6 ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $12.5 | $12.50 |
| 10 | $11.25 | $112.50 |
| 100 | $10 | $1,000.00 |
| 500 | $9 | $4,500.00 |
| 1,000 | $8.1 | $8,100.00 |
STM32H735RGT6 概述
What is a microcontroller? A microcontroller (MCU) is a compact integrated circuit designed to govern a specific operation in an embedded system. It contains a processor core, memory (flash and SRAM), and programmable input/output peripherals on a single chip. Microcontrollers are the backbone of embedded systems, ranging from simple motor controllers to complex IoT gateways. The STM32H7 series sits at the high-performance end of the STM32 portfolio, positioned above the mainstream STM32F4 and STM32F7 families, offering higher clock speeds, more memory, and advanced security features for demanding applications.
Key features of the STM32H735RGT6 include a 550 MHz Arm Cortex-M7 core with double-precision FPU and L1 cache, 1 MB of flash memory, 564 KB of SRAM, and a comprehensive set of peripherals: 5x USART, 4x SPI, 4x I2C, 2x FDCAN, 2x USB (OTG FS/HS), 1x Ethernet MAC, 2x SAI, 2x SDMMC, and a camera interface. It also features a 16-bit ADC with 3.6 MSPS, a 12-bit DAC, and a true random number generator (TRNG). The device supports hardware cryptographic acceleration (AES, DES, 3DES, SHA-1, SHA-256) and a secure boot option, making it suitable for secure IoT applications.
Technically, the STM32H735RGT6 is built on a 40nm process technology, enabling high clock speeds with low power consumption. The Cortex-M7 core includes a 6-stage pipeline, branch prediction, and a single-precision and double-precision FPU, delivering 2.14 CoreMark/MHz. The device supports a wide supply voltage range of 1.62V to 3.6V, with separate VDDA for analog peripherals. It operates over a temperature range of -40°C to +85°C (industrial grade). The LQFP64 package provides 54 GPIOs, with many pins multiplexed to support multiple peripheral functions.
Typical applications include industrial control systems, motor drives, PLCs, IoT gateways, smart home hubs, audio processing, and high-end consumer electronics. The combination of high performance, rich connectivity, and security features makes it ideal for applications requiring real-time processing and secure communication.
When designing with this device, ensure proper decoupling of the power supply pins with 100nF capacitors placed close to each VDD pin, and a 4.7uF bulk capacitor. The VDDA pin must be connected to a clean analog supply, and VREF+ should be decoupled with a 1uF capacitor. For high-speed interfaces like USB and Ethernet, follow the layout guidelines in the datasheet to maintain signal integrity.
直接替换替代料： STM32H735RGT6 ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
快速对比工具——选择替代料号进行并排对比：
STM32H743RGT6
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
STM32H750RBT6
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
STM32H753RGT6
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
STM32H745RGT6
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
STM32H735RGT6 最大额定值与电气特性
| Core | Arm Cortex-M7 |
| Max Clock Speed | 550 MHz |
| Flash Memory | 1 MB |
| SRAM | 564 KB |
| 封装 | LQFP64 (10x10 mm) |
| 电源电压 | 1.62V to 3.6V |
| 工作温度 | -40°C to +85°C |
| GPIO Pins | 54 |
| ADC | 16-bit, 3.6 MSPS |
| DAC | 12-bit |
| USART | 5 |
| SPI | 4 |
| I2C | 4 |
| FDCAN | 2 |
| USB | 2 (OTG FS/HS) |
| Ethernet | 1 (MAC) |
| Cryptographic Acceleration | AES, DES, 3DES, SHA-1, SHA-256 |
| CoreMark | 2.14 CoreMark/MHz |
| Process Technology | 40nm |
| RoHS | Compliant |
STM32H735RGT6 引脚配置
| 引脚 1 | VBAT — Backup battery supply |
| 引脚 2 | PC13 — GPIO / RTC tamper |
| 引脚 3 | PC14 — GPIO / OSC32_IN |
| 引脚 4 | PC15 — GPIO / OSC32_OUT |
| 引脚 5 | PF0 — GPIO |
| 引脚 6 | PF1 — GPIO |
| 引脚 7 | NRST — Reset (active low) |
| 引脚 8 | PC0 — GPIO / ADC |
| 引脚 9 | PC1 — GPIO / ADC |
| 引脚 10 | PC2 — GPIO / ADC |
| 引脚 11 | PC3 — GPIO / ADC |
| 引脚 12 | VDD — Digital power supply |
| 引脚 13 | VSS — Ground |
| 引脚 14 | PC4 — GPIO |
| 引脚 15 | PC5 — GPIO |
| 引脚 16 | PB0 — GPIO / ADC |
| 引脚 17 | PB1 — GPIO / ADC |
| 引脚 18 | PB2 — GPIO |
| 引脚 19 | PF2 — GPIO |
| 引脚 20 | PF3 — GPIO |
| 引脚 21 | PF4 — GPIO |
| 引脚 22 | PF5 — GPIO |
| 引脚 23 | PF6 — GPIO |
| 引脚 24 | PF7 — GPIO |
| 引脚 25 | PF8 — GPIO |
| 引脚 26 | PF9 — GPIO |
| 引脚 27 | PF10 — GPIO |
| 引脚 28 | PF11 — GPIO |
| 引脚 29 | PF12 — GPIO |
| 引脚 30 | PF13 — GPIO |
| 引脚 31 | PF14 — GPIO |
| 引脚 32 | PF15 — GPIO |
| 引脚 33 | VDD — Digital power supply |
| 引脚 34 | VSS — Ground |
| 引脚 35 | PA0 — GPIO / ADC / WKUP |
| 引脚 36 | PA1 — GPIO / ADC |
| 引脚 37 | PA2 — GPIO / USART2_TX |
| 引脚 38 | PA3 — GPIO / USART2_RX |
| 引脚 39 | PA4 — GPIO / DAC |
| 引脚 40 | PA5 — GPIO / DAC |
| 引脚 41 | PA6 — GPIO / SPI1_MISO |
| 引脚 42 | PA7 — GPIO / SPI1_MOSI |
| 引脚 43 | PA8 — GPIO / USB_OTG_FS_SOF |
| 引脚 44 | PA9 — GPIO / USB_OTG_FS_VBUS |
| 引脚 45 | PA10 — GPIO / USB_OTG_FS_ID |
| 引脚 46 | PA11 — GPIO / USB_OTG_FS_DM |
| 引脚 47 | PA12 — GPIO / USB_OTG_FS_DP |
| 引脚 48 | PA13 — GPIO / SWDIO |
| 引脚 49 | PA14 — GPIO / SWCLK |
| 引脚 50 | PA15 — GPIO / JTDI |
| 引脚 51 | PB3 — GPIO / JTDO |
| 引脚 52 | PB4 — GPIO / NJTRST |
| 引脚 53 | PB5 — GPIO |
| 引脚 54 | PB6 — GPIO / I2C1_SCL |
| 引脚 55 | PB7 — GPIO / I2C1_SDA |
| 引脚 56 | PB8 — GPIO / I2C1_SCL |
| 引脚 57 | PB9 — GPIO / I2C1_SDA |
| 引脚 58 | VDD — Digital power supply |
| 引脚 59 | VSS — Ground |
| 引脚 60 | PB10 — GPIO / I2C2_SCL |
| 引脚 61 | PB11 — GPIO / I2C2_SDA |
| 引脚 62 | PB12 — GPIO / SPI2_NSS |
| 引脚 63 | PB13 — GPIO / SPI2_SCK |
| 引脚 64 | PB14 — GPIO / SPI2_MISO |
典型应用
STM32H735RGT6 适用于 6 应用s: Industrial Control Systems, IoT Gateways, Motor Drives, Audio Processing, Smart Home Hubs, Medical Devices.
Industrial Control Systems
The STM32H735RGT6 is ideal for industrial control systems due to its high-speed 550 MHz Cortex-M7 core, advanced timers, and multiple communication interfaces (USART, SPI, I2C, FDCAN). It can handle complex real-time control algorithms, such as motor control and PLC logic, with low latency. The device's 16-bit ADC with 3.6 MSPS ensures precise analog signal acquisition for sensors and feedback loops. Its wide operating temperature range (-40°C to +85°C) and robust design make it suitable for harsh industrial environments. The FDCAN interface enables seamless integration into CAN-based industrial networks, while the Ethernet MAC supports industrial Ethernet protocols like EtherCAT and PROFINET. The cryptographic acceleration ensures secure communication in industrial IoT applications. Overall, the STM32H735RGT6 provides the performance and connectivity needed for advanced industrial automation.
推荐
IoT Gateways
The STM32H735RGT6 is well-suited for IoT gateways that require high processing power, multiple connectivity options, and security. With its 550 MHz Cortex-M7 core, it can handle protocol stacks (MQTT, CoAP), data aggregation, and edge computing tasks. The device includes Ethernet MAC, USB OTG, and multiple UART/SPI/I2C interfaces, allowing connection to various sensors and communication modules (Wi-Fi, LoRa, cellular). The hardware cryptographic acceleration (AES, SHA) ensures secure data transmission and device authentication. The 1 MB flash and 564 KB SRAM provide ample space for firmware and data buffering. The low-power modes help optimize energy consumption in battery-powered gateways. The STM32H735RGT6's rich peripheral set and security features make it a robust choice for building reliable and secure IoT gateways.
推荐
Motor Drives
The STM32H735RGT6 is an excellent choice for motor drive applications, including brushless DC (BLDC) and permanent magnet synchronous motors (PMSM). Its 550 MHz Cortex-M7 core can execute field-oriented control (FOC) algorithms with high precision and low latency. The device features advanced timers with complementary PWM outputs and dead-time insertion, essential for driving three-phase inverters. The 16-bit ADC with 3.6 MSPS enables fast and accurate current sensing, while the analog comparators provide overcurrent protection. The FDCAN interface allows integration into industrial motor control networks. The high clock speed ensures smooth real-time performance, and the rich peripheral set simplifies the design of complete motor drive systems. The STM32H735RGT6's combination of performance, analog features, and connectivity makes it a top choice for advanced motor control.
推荐
Audio Processing
The STM32H735RGT6 is suitable for high-end audio processing applications, such as audio interfaces, effects processors, and smart speakers. Its 550 MHz Cortex-M7 core with double-precision FPU can handle complex audio algorithms like FIR/IIR filtering, FFT, and audio codecs. The device includes multiple SAI (serial audio interfaces) for connecting to audio codecs and DACs, and I2S support for digital audio streaming. The 12-bit DAC can be used for analog audio output, while the high-speed ADC can capture analog audio signals. The large SRAM (564 KB) allows buffering of audio samples, and the cryptographic acceleration can be used for secure audio streaming. The STM32H735RGT6's processing power and audio-specific peripherals make it an ideal platform for professional and consumer audio products.
推荐
Smart Home Hubs
The STM32H735RGT6 is a powerful choice for smart home hubs that need to manage multiple wireless protocols, process sensor data, and provide a user interface. Its 550 MHz Cortex-M7 core can run a real-time operating system (RTOS) and handle communication stacks for Zigbee, Z-Wave, Bluetooth, and Wi-Fi via external modules. The device offers multiple UART, SPI, and I2C interfaces to connect to various wireless transceivers and sensors. The Ethernet MAC enables wired connectivity for a stable backbone. The cryptographic acceleration ensures secure communication and device authentication. The 1 MB flash and 564 KB SRAM provide ample resources for hub applications. The STM32H735RGT6's performance and connectivity make it an excellent foundation for a smart home hub.
推荐
Medical Devices
The STM32H735RGT6 is suitable for medical devices that require high processing power, precise analog measurement, and reliable operation. Its 550 MHz Cortex-M7 core can handle complex signal processing algorithms for applications like patient monitoring, diagnostic equipment, and portable medical devices. The 16-bit ADC with 3.6 MSPS ensures accurate acquisition of biomedical signals (ECG, EEG, etc.). The device's low-power modes help extend battery life in portable devices. The cryptographic acceleration can be used to secure patient data. The wide operating temperature range and industrial-grade reliability make it suitable for medical environments. The STM32H735RGT6's combination of performance, analog precision, and security makes it a strong candidate for advanced medical electronics.
推荐
推荐产品汇总
工程参考数据： STM32H735RGT6 ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | STM32H743RGT6 | STM32H750RBT6 | STM32H753RGT6 | STM32H745RGT6 | i.MX RT1052 | RZ/A1L |
|---|---|---|---|---|---|---|---|
| Package | LQFP64 | LQFP64 | LQFP64 | LQFP64 | LQFP64 | BGA196 | BGA256 |
| Brand | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | NXP Semiconductors | Renesas Electronics |
| Max Clock Speed | 550 MHz | 480 MHz | 480 MHz | 480 MHz | 480 MHz | 600 MHz | 400 MHz |
| Flash Memory | 1 MB | 2 MB | 128 KB | 2 MB | 1 MB | 0 (external flash) | 3 MB |
| SRAM | 564 KB | 1 MB | 128 KB | 1 MB | 1 MB | 512 KB | 3 MB |
| ADC Resolution | 16-bit | 16-bit | 16-bit | 16-bit | 16-bit | 12-bit | 12-bit |
| Ethernet MAC | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
| Cryptographic Acceleration | Yes (AES, DES, 3DES, SHA-1, SHA-256) | Yes | Yes | Yes | Yes | Yes (AES, SHA) | No |
关键差异点
- Higher maximum clock speed (550 MHz) compared to STM32H743RGT6 (480 MHz) （对比 STM32H743RGT6)
- Integrated hardware cryptographic acceleration (AES, SHA) for secure IoT applications （对比 RZ/A1L)
- Pin-compatible with other STM32H7 LQFP64 variants, enabling easy migration （对比 i.MX RT1052)
设计说明
The STM32H735RGT6 requires a stable power supply. Connect a 100nF ceramic capacitor to each VDD pin and a 4.7uF bulk capacitor to the main VDD rail. The VDDA pin must be connected to a clean analog supply, and VREF+ should be decoupled with a 1uF capacitor. For battery-powered applications, use the VBAT pin for backup power and implement low-power modes to extend battery life.
For high-speed interfaces like USB and Ethernet, follow the layout guidelines in the datasheet. Keep traces short and impedance-controlled (90 ohms differential for USB, 100 ohms for Ethernet). Place the crystal oscillator close to the OSC_IN/OSC_OUT pins and ensure proper grounding. Use a solid ground plane and avoid routing high-speed signals over split planes.
The STM32H735RGT6 can dissipate significant power at 550 MHz. Ensure adequate thermal management by providing a copper pour on the PCB and, if necessary, a heatsink. The LQFP64 package has a thermal resistance of approximately 40°C/W (theta_JA). For high ambient temperatures, consider reducing the clock speed or using a fan.
合规信息
RoHS compliant per STMicroelectronics product page. Not AEC-Q100 qualified - this is an industrial-grade device.
